Fillioneer is operated by Sonodo Oy. We’re a small team building tools that help people see, day by day, whether they’re on track to their financial goal. If you have feedback, a bug to report, a partnership idea, or a question about your data, we’d love to hear from you.
Sonodo Oy
Business ID (Y-tunnus): 2887416-4
Helsinki, Finland
For data access, correction, or deletion requests, see our privacy policy or email us directly. We respond within 30 days.